/**
 * Copyright (c) 2004-2006, Martin Fiedler.  All rights reserved.
 * Copyright (c) 2012, Ken Anderson.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, 
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice, 
 *    this list of conditions and the following disclaimer in the documentation 
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 **/
 
#ifndef __CORETRANS_H__
#define __CORETRANS_H__

#ifdef __cplusplus
	extern "C" {
#endif

#include "common.h"

typedef struct _core_block {
  int items[16];
} core_block;

#define CoreBlock(b,i,j) (b).items[(j)|((i)<<2)]


#define IntraRoundingMode  3
#define InterRoundingMode  6

#define inverse_core_transform inverse_core_transform_fast

core_block forward_core_transform(core_block original);
core_block forward_quantize(core_block raw, int quantizer, int rounding_mode);
core_block inverse_quantize(core_block quantized, int quantizer, int without_dc);
core_block inverse_core_transform_slow(core_block coeff);
core_block inverse_core_transform_fast(core_block coeff);
core_block hadamard(core_block coeff);

void direct_ict(core_block coeff, unsigned char *img, int pitch);

#ifdef __cplusplus
	}
#endif

#endif /*__CORETRANS_H__*/
